CHATSWORTH, Calif., Aug. 2, 2010 (GLOBE NEWSWIRE) -- IRIS International, Inc. (Nasdaq:IRIS), a leading manufacturer of automated in-vitro diagnostics systems and consumables for use in hospitals and commercial laboratories worldwide, announced today that it has elected David T. Della Penta, with 40 years of senior executive medical products and finance experience, to its Board of Directors and as a member of the Compensation Committee, increasing the number of independent directors to eight and overall size of the Board to 10 members.